math-inequalities

137,816 results

math

How many solution sets do systems of linear inequalities have? Do solutions to systems of linear inequalities need to satisfy both inequalities? In what case might they not?

math - inequalities

How many integers are common to the solution sets of both inequalities? x+7 ≥ 3x 3x+4 ≤ 5x

math-inequalities

graph solution set of system of inequalities x+y< 4 x-2y>6

Math

Solve the compound inequalities. Write the solutions in interval notation. Graph your solution on a number line. 1. 2(3x + 1)< -10 or 3(2x - 4) ¡Ý 0 The or means union of these inequalities. 2. 5(p + 3) + 4 > p - 1 or 4(p - 1) + 2 > p + 8

Algebra 1

How many solution sets do systems of linear inequalities have? Do solutions to systems of linear inequalities need to satisfy both inequalities? In what case might they not?

Algebra 1A

How many solution sets do systems of linear inequalities have? Do solutions to systems of linear inequalities need to satisfy both inequalities? If so what are some examples?

Math Ms. Sue Please help!

Can you find me a website how to do inequalities on line graphs on the less than and greater than inequalities. Ex: 2r-2<4 (A line goes under the sign "<")

Math

5. A system of linear inequalities is shown below: x + y ≥ 4 y < 2x – 3 Describe the steps to graph the solution set to the system of inequalities. Be specific. (10 points)

Math, Inequalities

Prove the following inequalities. Then state for which values the LHS equals RHS. 1) a^2 + b^2 ≥ 2(a-b-1) 2) Given a + b = 1, prove the inequality a^2 + b^2 ≥ 1/2 Please explain how you solved it. Thanks.

Re: Math

The only inequalities where I have to check the values between the points are polynomial and rational inequalities, right? And not any other type of inequalites By Checking I mean to know which way to shade on a graph Just making sure

Systems of Inequalities-8th Grade Algebra

Graph the equation. The graph will divide the coordinate plane into four reqions. Write a system of inequalities that describe each region. Labe the region with these inequalities. 1) y = x - 3 y = 9 - x I already graphed it, I only need help on writing the systems of ...

Gender Inequalities

Are there any inequalities between men and women in the armed forces?

Inequalities

Write two different inequalities that you can solve by adding 5 and multiplying by -3.

math

Suppose you need $2.40 in postage to mail a package to a friend. You have 9 stamps, some $0.20 and some $0.34. How many of each do you need to mail the package? So to solve this problem, I came up with two inequalities: 1. a + b is less than or equal to 9 2. 20a + 34b is ...

Math Check

The only inequalities where I have to check the values between the points are polynomial and rational inequalities, right? And not any other type of inequalites By Checking I mean to know which way to shade on a graph Just making sure

algabra II

does anyone have the answers to exam 00703600 inequalities, permutations, and probabilities i just need the part on graphing the inequalities

math

5.If inequalities are multiplied by positive number, the order remains the same. If x>y and z>0, then xz>yz. However, if inequalities are multiplied by negative numbers the order is reversed. If x>y and z<0 then xz<yz Please show work and explain.

inequalities

i'm dealing with inequalities with one variable and i'm just curious as to why i am doing this? i would like to know the theories behind this.... please help or maybe give me a site?

Math

Lesson 9: Equations and Inequalities Unit Test Algebra Readiness A Unit 7: Equations and Inequalities HELP PLS

Math

1. Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...

Math

Lesson 8: Solving Inequalities Unit Test CE 2015 Algebra 1 Unit 4: Solving Inequalities i need answers im 9 lessons behind in math and my mom just had surgery and the house is a mess if anyone understands please help!!!! ): i just dont have time

alg2 check?

Graph the system of inequalities then substitute the (x,y)order pair into both inequalities. y>3x+1 y<-2/3x+4 (second one has a line under the arrow) I don't get what they are asking for? if they want me to solve it how am I suppose to set it up?

algebra-math

Create a system of linear equations. Explain the steps for solving a system of linear inequalities. Make a system of linear inequalities problem. Please help me with this?

math

Lesson 14: Equations and Inequalities Unit Test CE 2015 Math 7 A Unit 4: Equations and Inequalities

education inequalities

What are some inequalities in education between men and women?

Inequalities

graph the system of inequalities: ( x-3)^2/9 + (y+2)^2/4<=1 and (x-3)^2+(y+2)^2>=4 I do not know how to simplify this down enough to graph it

algebra 1

Material cost equation : 30x + 2y = 200 Profit equation : 100x + 5y = 400 B. Explain your inequalities and explain why x<8 and y<40 are also inequalities for this system

Intermediate Algebra

Compound Inequalities Definition Words ◦Compound inequalities ◦And ◦Or ◦Intersection ◦Union 1). 12 < 12 + 4x < 0 2). 12 – x > 15 or 7x – 13 > 1 I divide it up the compound inequalities into two problems 12 <12+ 4x 4 x >0 or x...

Inequalities & Absolute value

|2x+4|<5 |5-3x|<9 What values of x are both of the inequalities above true? i. -2 ii. -1 iii. 1 I got -1 only and its right because I just plugged it in to find out, but is there another way of solving this perhaps algebraically? For example something like 2x+4<5 and...

math inequalities please check

A landscape designer has to design a rectangular pad of concrete at the centre of a rock garden. The lenght must be less than or equal to twice the width; the perimeter must be less than or equal to 40 m; and the area must be greater than or equal to 60 m². 1.)Write as system...

Algebra

Consider the two inequalities 2x - 4 < y and y < -2/3x + 2. (b) Graph the region of the plane that satisifies either inequality, or both inequalities. (c) Graph the region of the plane that satisifies either inequality, but NOT both. What I don't get is that in another ...

math-inequalities

Hi, I am having some problems with inequalities. It is asking us to solve and graph on a number line and then write it in interval notation and set notation. X>2 and X>4 I graphed them in a number line already and i have the following: Interval notation (2,infinity) and ...

math inequalities please check

A landscape designer has to design a rectangular pad of concrete at the centre of a rock garden. The length must be less than or equal to twice the width; the perimeter must be less than or equal to 40 m; and the area must be greater than or equal to 60 m^2. 1.)Write as system...

Math - Inequalities

Please help with the following: What is an open dot, and what is a closed dot? Also, when are they used in inequalities? I am not really sure about what they are. The lesson has not taught me anything about open dots and closed dots. I have also looked them up, but I got ...

inequalities

A home-based company produces both hand-knitted scarves and sweaters. please help please The scarves take 2 hours of labor to produce, and the sweaters take 14 hours. The labor available is limited to 40 hours per week, and the total production capacity is 5 items per week. ...

math

Consider the two inequalities 3x + 2y ≥ 4 9x + 8y ≤ 14 2y ≥ -3x + 4 2y/2 ≥ -3x/2 + 4/2 y ≥ -3x/2 + 4/2 y ≥ -3x/2 + 2 slope -3/2 y- intercept 2 The black line is y ≥ -3x/2 + 2 8y ≤ -9x + 14 8y/8 ≤ - 9x/8 + 14/8 y ≤ -9x/8 + 14/8 y ≤ - 9x/8 + 7/4 slope -9/8 ...

Algebra 1 (Reiny)

Will you please explain the steps I must take in order to graph these linear inequalities? Graph each system of linear inequalities. Give two ordered pairs that are solutions and two that are not solutions. 1. y < 2x - 1 y > 2 2. x < 3 y > x -2 3. y => 3x 3x + y...

Solving inequalities

I have to solve the following inequalities: x^2 + y^2 is less than or equal to 49 y is less than or equal to 3-x^2 I know that these are the equations of a circle and a parable. There should be 3 solutions. However, I am not sure how to solve these equations. CAn you help? ...

Algebra

Write a system of inequalities to express the exterior of the triangle ABD if A=(-2,7), B=(4,0), and C=(1,-3). Please help! gracias<3 Derive equations for the three lines connecting the three points. Then change the equations to inequalities to represent the region on the ...

math

inequalities x-5<15

Math- Inequalities

1. x - 7 > 10 x > 17 2. 3x <= 21 x <= 7 3. 5a - 2 < 18 a < 4 4. 2t + 8 >= -4(t + 1) t >= -2

Math

What are inequalities

Algebra 1 Inequalities (help)

So, I'm kinda confused, How would I solve 1c < 400, I'm trying to go back, and practice my Inequalities, and I kinda forgot how exactly to solve them.... And I don't want to give any of my actual problems so I just created this one off the top of my head, just so you guys ...

Adv. Math

I don't know how to do this inequalities.... -24 < 1/2b

math

how to express inequalities

math

this is a linear inequalities 4a-3b=5

math

will anyone explain to me how to solve two step inequalities? it would be most appreciated. they are called two step inequalities. ill give you an example -40<5+5x that makes no sense to me I don't know :( SOLVING AN ABSOLUTE INEQUALITY lET X BE A VARIABLE OR AN ALGEBRATIC ...

Math

How do you solve for inequalities like this? 1< 4-x < 1.59

math

Which of the following inequalities has x>4 as a solution A: 6x < -24 B: x+4>0 C: -5x+2<-18 D: 4x + 2 > 14

math

Which of the following inequalities has x > 4 as a solution? A: 6x < -24 B: x + 4 > 0 C:-5x + 2 < -18 D: 4x + 2 > 14

Math (Proving of Inequalities)

Prove: if a>0 and b>0, and a^2>b^2, then a>b.

Math

Solving inequalities |1-15x/5| < 3

Equations and Inequalities Unit Test

what are the answers to the Equations and Inequalities Unit Test. please please really help me. I have to finish it by today at 11:00.

algebra 1

. Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...

math

Solve this system of inequalities graphically 3-y<6, x>1, y<3

Math

Inequalities:How is 2r + 5 greater than a negative one ?

Math

How do i solve 2x+y > -3? And how do i graph it. This is Linear inequalities.

Math

How would you solve these compound inequalities? 1. -1<4x-3<5 2. 3a-5<=-2 OR 3a-5>=13 3. -y-2>6 OR 4y+8<=20 4. 3<=-2x+1<=9

Math

I need help understanding inequalities - like a+2<-3 or d-1.9<-8.7

Math

How are inequalities related to linear equations

Math

Solving inequalities (x+3)/2 greater than equal to (2-x)/-2

Algebra 1 (Reiny)

I desperately need guidance. Not only do I not know how to graph these systems of linear inequalities, but I also do not understand the concept whatsoever. I have watched several videos regarding the subject, but I didn't retain anything from them. Please, I desperately need ...

intermediate algebra

inequalities –1 ≤ x – 3 ≤ 5 –2x – 5 < –2 or x – 3 < –10 Be careful of how a negative x-term is handled in the solving process. Show all math work arriving at the solutions. •Show the solution sets written algebraically and as a union or intersection ...

math

1) Why should we clear fractions when solving linear equations and inequalities? Demonstrate how this is done with an example. Why should we clear decimals when solving linear equations and inequalities? Demonstrate how this is done with an example.

math/algebra

I need help with this problems graph inequalities 3x-4y<12.

math

I need help in solving two-step inequalities. 7 - 4w <_ 19

math questions

is there a site i could use to help me with compund inequalities?

math

Solve the following polynomial inequalities. a) 4x - 5 ≤ 2(x - 7)

math

Solve the following polynomial inequalities. 4x - 5 ≤ 2(x - 7)

math

How do you solve systems of inequalities in two variables?

math

How do you solve systems of inequalities in two variables?

Math

How would you solve these compound inequalities? 1. -5k<-10 OR 3k>-9 2. 1/2z+3<-4 OR 2/3z-1>=1/5 3. -2<=n+2 divided by 3 <=4 4.p+4>6 AND 3p<=-18

Math

Find the range of value of X for each for the following inequalities 8-4x/x+5>1-x

Math (ASAP)

Solve the following inequalities. 1.) 3x + 2y < 6 2.) 2x^2 + y ≥ 2

Math

How do I solve this system of equations win inequalities? {y < 2x+2} {y> -x + 1}

Math

Lesson 14: Equations and Inequalities Unit Test

Math

Graph the solution set for the linear inequalities. y<4x+2 2x−y≥2

Math/ Algebra

Post your responses to the following. Answer each question in a separate paragraph: Techniques that can simplify solving equations and inequalities are to clear fractions and decimals when solving linear equations and inequalities. 1. Demonstrate how fractions are cleared with...

math/algebra

how do I solve system of linear inequalities by graphing x-y<=3, x+2y=>6.

Math

Solve the following system of linear inequalities by graphing. 3x – y < 2 x + y > 2

Math

How is graphing a system of inequalities similar and different than that of equations?

math

Solve the following polynomial inequalities. A) x^3 - 5x^2 + 2x ≥ -8 B)2(x3 - 2x2 + 3) < x(x - 1)(x + 1)

math

SOlve the following inequalities: 1. x^2-x-6 greater than equal to zero 2. x^3+5x^2-4x-20 > 0

Math

I forgot how to do inequalities with a rational function. The question I have is: ((3x-2)/(x-1))<1

Math

Which inequalities share some solutions with x > 3? - a x > 3 b x < 0 c x < 3 _ d x > 5 _ e x < 3 How do I solve this problem?

Math- Inequalities

Hey, how would I start off solving (x-5)(x+2)<0???

math

Lesson 14: Equations in Inequalities Unit Test PLZ HELP

math

An objective function and a system of linear inequalities representing constraints are given. Graph the system of inequalities representing the constraints. Find the value of the objective function at each corner of the graphed region. Use these values to determine the maximum...

algebra1

graph the system of inequalities, and classify the figure created bu the solution region. y¡Ü4x+4 y¡Ü-0.25x+4 y¡Ý4x-1 y¡Ý-0.25x-1 a)the shaded region is a plane minus a rectangle b)there is no region common to all four inequalities c)the shaded region is a rectangle d)...

algebra1

graph the system of inequalities, and classify the figure created bu the solution region. y¡Ü4x+4 y¡Ü-0.25x+4 y¡Ý4x-1 y¡Ý-0.25x-1 a)the shaded region is a plane minus a rectangle b)there is no region common to all four inequalities c)the shaded region is a rectangle d)...

Math

Im in advanced math and were doing Graphing Inequalities and im not sure how to do it.

math (double checking)

I've posted this question before but I forgot to say that I was dealing with polynomial inequalities (not sure if that makes a difference) The question is: Solve the following polynomial inequalities. (9 marks) 4x - 5 ≤ 2(x - 7) x^3 - 5x^2 + 2x ≥ -8 2(x^3 - 2x^2 + ...

math/algebra

I need help solving the solution sets for linear inequalities: 1.3x-y<=6 x>=1 y<=3

Math Help please

Solve the following system of linear inequalities by graphing. 3x – y < 2 x + y > 2

Math

I don't get when you use "or" or "and" in inequalities. Like for this quadratic inequality: x^(2) +x -12 > 0 becomes x < -4 x > 3 why is the answer {x|x<-4 or x>3} and not {x|3<x<-4} ?

math

solve the following polynomial and rational inequalities 2x^2+x-6>0 i need some help with this

math

If r = 12.5 and s = |−13|, which of the following inequalities is not true??? 1.r≠s 2.r< s 3.r≥s 4.r≤s

math

Solving inequalities by multiplying or dividing (-y/6)<2 y___21 1. < 2. > please answer the y ? 21 1 or 2 and how to do it

Math

So, my teacher wants me to sketch the graph of a system of inequalities but I'm not sure how. Can someone help me? Thank you! 3x + 2y < 6 x > 0 y > 0

Math 222

Please help me with inequalities?\ 2x-1>-3 and 4x plus 5>-19 I tried doing this problem, but I am lost.

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